Multiple Choice
We calculate the proportion of variance accounted for because it is the statistical basis for evaluating
A) the usefulness of a relationship.
B) the strength of the correlation coefficient.
C) the linearity of the two scores.
D) the average deviation among the Y scores.
Correct Answer:
Verified
Correct Answer:
Verified
Q19: If the correlation coefficient turns out to
Q20: The coefficient of determination is interpreted as
Q21: Which of the following is not true
Q22: Linear regression is important because<br>A)it is used
Q23: The "error" in a single prediction is
Q25: Homoscedasticity occurs when<br>A)there is a nonlinear relationship
Q26: In regression,we sometimes talk about using X
Q27: The slope of a line is a
Q28: The sum of the deviations of the
Q29: The linear regression line indicates<br>A)whether a relationship